public class Test {
//    public static void main(String[] args) {
//        Main main = new Main();
//        main.creat();
//        main.chkPalindrome(main.head);
//    }

    static String[] s={"+","-","*","/"};

    public static void main(String[] args) {
        for (String str:s ) {
            if (str=="+")
                System.out.println(1010);
            switch(str){
                case "+":
                    System.out.println(111);
                    break;

                case "-":
                    System.out.println(222);
                    break;

                case "*":
                    System.out.println(333);
                    break;

                case "/":
                    System.out.println(444);
                    break;
            }
        }
    }

}
